make-file-arrays.py [plain text]
import os.path
import re
import sys
from optparse import OptionParser
def make_variable_name_and_read(file_name):
result = re.match(r"([\w\d_]+)\.([\w\d_]+)", os.path.basename(file_name))
if not result:
print "Invalid input file name:", os.path.basename(file_name)
sys.exit(1)
variable_name = result.group(1)[0].lower() + result.group(1)[1:] + result.group(2).capitalize()
file = open(file_name, "rb")
content = file.read()
file.close()
return (variable_name, content)
def strip_whitespace_and_comments(file_name, content):
result = re.match(r".*\.([^.]+)", file_name)
if not result:
print "The file name has no extension:", file_name
sys.exit(1)
extension = result.group(1).lower()
multi_line_comment = re.compile(r"/\*.*?\*/", re.MULTILINE | re.DOTALL)
single_line_comment = re.compile(r"//.*$", re.MULTILINE)
repeating_space = re.compile(r"[ \t]+", re.MULTILINE)
leading_space = re.compile(r"^[ \t]+", re.MULTILINE)
trailing_space = re.compile(r"[ \t]+$", re.MULTILINE)
empty_line = re.compile(r"\n+")
if extension == "js":
content = multi_line_comment.sub("", content)
content = single_line_comment.sub("", content)
content = repeating_space.sub(" ", content)
content = leading_space.sub("", content)
content = trailing_space.sub("", content)
content = empty_line.sub("\n", content)
elif extension == "css":
content = multi_line_comment.sub("", content)
content = repeating_space.sub(" ", content)
content = leading_space.sub("", content)
content = trailing_space.sub("", content)
content = empty_line.sub("\n", content)
return content
def main():
parser = OptionParser()
parser.add_option("--out-h", dest="out_header")
parser.add_option("--out-cpp", dest="out_cpp")
parser.add_option("--condition", dest="flag")
(options, args) = parser.parse_args()
if len(args) < 1:
parser.error("Need one or more input files")
if not options.out_header:
parser.error("Need to specify --out-h=filename")
if not options.out_cpp:
parser.error("Need to specify --out-cpp=filename")
if options.flag:
options.flag = options.flag.replace(" AND ", " && ")
options.flag = options.flag.replace(" OR ", " || ")
header_file = open(options.out_header, "w")
if options.flag:
header_file.write("#if " + options.flag + "\n")
header_file.write("namespace WebCore {\n")
cpp_file = open(options.out_cpp, "w")
cpp_file.write("#include \"config.h\"\n")
cpp_file.write("#include \"" + os.path.basename(options.out_header) + "\"\n")
if options.flag:
cpp_file.write("#if " + options.flag + "\n")
cpp_file.write("namespace WebCore {\n")
for file_name in args:
(variable_name, content) = make_variable_name_and_read(file_name)
content = strip_whitespace_and_comments(file_name, content)
size = len(content)
header_file.write("extern const char %s[%d];\n" % (variable_name, size))
cpp_file.write("const char %s[%d] = {\n" % (variable_name, size))
for index in range(size):
char_code = ord(content[index])
if char_code < 128:
cpp_file.write("%d" % char_code)
else:
cpp_file.write("'\\x%02x'" % char_code)
cpp_file.write("," if index != len(content) - 1 else "};\n")
if index % 20 == 19:
cpp_file.write("\n")
cpp_file.write("\n")
header_file.write("}\n")
if options.flag:
header_file.write("#endif\n")
header_file.close()
cpp_file.write("}\n")
if options.flag:
cpp_file.write("#endif\n")
cpp_file.close()
if __name__ == "__main__":
main()